CN214798804U - Corrosion-resistant cable protection pipe - Google Patents
Corrosion-resistant cable protection pipe Download PDFInfo
- Publication number
- CN214798804U CN214798804U CN202121409522.9U CN202121409522U CN214798804U CN 214798804 U CN214798804 U CN 214798804U CN 202121409522 U CN202121409522 U CN 202121409522U CN 214798804 U CN214798804 U CN 214798804U
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- corrosion
- layer
- buffer
- tube
- resistant
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- 238000005260 corrosion Methods 0.000 title claims abstract description 57
- 230000007797 corrosion Effects 0.000 title claims abstract description 56
- 229920000106 Liquid crystal polymer Polymers 0.000 claims abstract description 21
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 claims abstract description 21
- 229920002635 polyurethane Polymers 0.000 claims abstract description 9
- 239000004814 polyurethane Substances 0.000 claims abstract description 9
- 239000000872 buffer Substances 0.000 claims description 96
- 238000002955 isolation Methods 0.000 claims description 25
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 13
- 230000001681 protective effect Effects 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model relates to a corrosion-resistant cable protection pipe, it includes the parent tube, is provided with the corrosion-resistant layer on the periphery wall of parent tube, and the corrosion-resistant layer is the layer that liquid crystal polymer LCP prepared and obtains, and one side that the corrosion-resistant layer deviates from the parent tube is provided with the waterproof layer, and the waterproof layer is the layer that polyurethane preparation obtained. This application has the effect that improves cable protection pipe corrosion resistance.
Description
Technical Field
The application relates to the field of cable protection pipes, in particular to a corrosion-resistant cable protection pipe.
Background
With the rapid development of electric power in China, electric power facilities on the ground are gradually in a saturated state, and most of the electric power facilities are buried underground at present in order to improve the situation. The underground buried cable can be usually arranged in the protective tube in a penetrating mode, the cable is protected through the protective tube, the service life of the cable is prolonged, and meanwhile normal operation of power facilities is guaranteed.
Among the correlation technique, the cable protection pipe often only includes the protection tube body, and the protection tube body protects the cable, because the cable protection pipe is buried underground usually, and the environment of underground is comparatively moist and acid-base nature is stronger for the protection tube is corroded easily, thereby influences the life of cable.
SUMMERY OF THE UTILITY MODEL
In order to improve the corrosion resistance of the cable protection pipe, the application provides a corrosion-resistant cable protection pipe.
The application provides a corrosion-resistant cable protection pipe adopts following technical scheme:
the utility model provides a corrosion-resistant cable protection pipe, includes the parent tube, be provided with the corrosion-resistant layer on the outer wall of parent tube, the corrosion-resistant layer is the layer that liquid crystal polymer LCP prepared obtained, one side that the corrosion-resistant layer deviates from the parent tube is provided with the waterproof layer, the waterproof layer is the layer that polyurethane preparation obtained.
By adopting the technical scheme, the corrosion-resistant layer is made of the Liquid Crystal Polymer (LCP) material, and the LCP material has excellent corrosion resistance, so that the damage of the protection tube caused by water corrosion and abrasion can be well reduced, and the service life of the protection tube is prolonged; meanwhile, the waterproof layer is made of polyurethane, and the polyurethane has excellent waterproof performance and can reduce water permeation into the protection tube, so that the corrosion condition of the protection tube is further reduced, and the service life of the protection tube is prolonged.
Optionally, a buffer layer is arranged on one side of the waterproof layer, which is away from the corrosion-resistant layer.
Through adopting above-mentioned technical scheme, the buffer layer adopts elastic material to make, when the protective tube received external pressure, can cushion the pressure of acting on the protective tube, reduces the protective tube and appear the condition of crack and damage because of receiving the pressure to reduce water and air infiltration entering protective tube, improve the corrosion resisting property of protective tube.
Optionally, a buffer tube is disposed within the buffer layer.
By adopting the technical scheme, under the condition that the buffer layer is under pressure, the buffer tube can support the buffer layer, meanwhile, the buffer tube has elasticity, and can also deform, so that the buffer tube further has a buffer effect on the pressure on the buffer layer; the situation that the protective tube is extruded due to overlarge deformation of the buffer layer is reduced, and therefore the protective tube is further protected.
Optionally, a buffer block is arranged in the buffer tube, and a gap exists between the buffer block and the inner wall of the tube of the buffer tube.
By adopting the technical scheme, a certain gap is formed between the buffer block and the inner wall of the buffer tube, so that a deformation space can be provided for the buffer tube; when the buffer tube deforms, the buffer block can support the buffer tube, and meanwhile, the buffer block can further buffer pressure; buffer layer, buffer tube and buffer block three cooperate, cushion outside pressure step by step, improve the tolerance of protection tube to outside pressure, the life of extension protection tube.
Optionally, the inner circumferential wall of the base tube is provided with a plurality of isolation seats, the isolation seats are provided with through holes in a penetrating manner, and cables used for being matched with the isolation seats are arranged in the through holes in a penetrating manner.
Through adopting above-mentioned technical scheme, a plurality of cables that the isolation seat will wear to establish in the through hole separate each other, reduce extrusion and winding between the cable, the heat that produces when dispersing the cable work simultaneously to the protection cable.
Optionally, a heat insulation layer is arranged between the isolation seats.
By adopting the technical scheme, the heat insulating layer isolates the heat generated by the cables on the isolating seats, and the heat accumulation in the protecting pipe is reduced, so that the cables are protected; meanwhile, the thermal insulation layer provides stress points for the isolation seat, when the isolation seat is extruded from the outside, the thermal insulation layer can buffer pressure, tolerance of the protection tube to the outside pressure is improved, and the service life of the protection tube is prolonged.
Optionally, a heat conducting strip is arranged between the buffer layer and the isolation seat, and the heat conducting strip extends into the through hole.
By adopting the technical scheme, one end of the heat conducting strip is abutted against the buffer layer, and when the buffer layer deforms under pressure, the heat conducting strip can limit the buffer layer; simultaneously, the other end of heat conduction strip stretches into the through-hole and supports on the cable, can improve the radiating efficiency of protection tube with the heat conduction to the buffer layer that the cable produced.
Optionally, one side of the buffer layer, which is away from the waterproof layer, is provided with a wear-resistant layer.
Through adopting above-mentioned technical scheme, because cable protection pipe buries underground usually, the friction that the protection pipe received is great, and the wearing layer has excellent wear resistance, can reduce the protection pipe and lead to the damaged condition because of the friction, prolongs the life of protection pipe.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the protection tube, the corrosion-resistant layer prepared from the liquid crystal polymer LCP material is arranged on the outer wall of the base tube, the waterproof layer prepared from the polyurethane material is arranged on one side, away from the base tube, of the corrosion-resistant layer, and the corrosion-resistant layer is matched with the waterproof layer, so that the corrosion resistance of the protection tube is improved, and the service life of the protection tube is prolonged;
2. according to the protection tube, the buffer layer is used for buffering the external pressure, so that the extrusion of the external pressure on the protection tube is reduced, the water seepage caused by the damage of the protection tube is reduced, and the corrosion resistance of the protection tube is improved;
3. this application reduces the friction of foreign matter to the protection tube through the wearing layer to the life of extension protection tube.
Drawings
Fig. 1 is a partial sectional view of a corrosion-resistant cable protection tube in an embodiment of the present application.
Fig. 2 is an enlarged view at a in fig. 1.
Description of reference numerals: 1. a base pipe; 2. a corrosion-resistant layer; 3. a waterproof layer; 4. a buffer layer; 41. a buffer tube; 411. a buffer block; 5. a wear layer; 6. an isolation seat; 61. perforating holes; 7. a thermal insulation layer; 8. a heat conducting strip; 81. a limiting block; 82. a heat conducting block; 9. an electrical cable.
Detailed Description
The present application is described in further detail below with reference to figures 1 and 2.
The embodiment of the application discloses corrosion-resistant cable protection pipe.
Referring to fig. 1, corrosion-resistant cable protection pipe includes base tube 1, and base tube 1 chooses for use polytetrafluoroethylene material to make, is provided with corrosion-resistant layer 2 on base tube 1's the outer wall of tube, and corrosion-resistant layer 2's material is liquid crystal polymer LCP, and the outside coating on corrosion-resistant layer 2 has waterproof layer 3, and waterproof layer 3's material is polyurethane.
The base pipe 1 made of polytetrafluoroethylene material has better corrosion resistance, strength and wear resistance, and can better ensure the normal work of the cable 9; on the basis, the corrosion-resistant layer 2 made of liquid crystal polymer LCP is arranged on the outer wall of the base pipe 1, the liquid crystal polymer LCP has excellent corrosion resistance, the liquid crystal polymer LCP has high strength and good heat resistance and wear resistance, and the liquid crystal polymer LCP is an insulating material and can well protect the base pipe 1 and improve the corrosion resistance of the protective pipe; the waterproof layer 3 made of polyurethane is arranged on the outer side of the corrosion-resistant layer 2, the polyurethane has excellent waterproof performance, water permeation can be reduced, the water enters the corrosion-resistant layer 2 and the base pipe 1, and the corrosion resistance of the protection pipe is further improved.
Referring to fig. 1 and 2, the outside of waterproof layer 3 is provided with buffer layer 4, and buffer layer 4 chooses for use polyurethane elastomer material to make, is provided with a plurality of buffer tubes 41 in the buffer layer 4, and buffer tube 41 chooses for use thermoplastic elastomer TPE material to make, and a plurality of buffer tubes 41 are provided with buffer block 411 along the circumference align to grid of protection tube in the buffer tube 41, and buffer block 411 chooses for use rubber material to make, exists the clearance between buffer block 411 and the buffer tube 41. The outer side of the buffer layer 4 is provided with a wear-resistant layer 5, and the wear-resistant layer 5 is made of silicon carbide materials.
Arranging a buffer layer 4 outside the waterproof layer 3, arranging a buffer tube 41 in the buffer layer 4, arranging a buffer block 411 in the buffer tube 41, when external pressure acts on the protection tube, firstly, the buffer layer 4 generates elastic deformation to buffer the pressure, and simultaneously, the buffer tubes 41 uniformly distributed in the buffer layer 4 disperse and further buffer the pressure and provide certain support for the buffer layer 4; the buffer tube 41 deforms, and after the inner wall of the buffer tube 41 abuts against the buffer block 411, the buffer block 411 supports the buffer tube 41 and further buffers pressure; buffer layer 4, buffer tube 41 and buffer block 411 cushion external pressure in proper order, improve the tolerance of protection tube to external pressure. The wearing layer 5 is located the outside of protection tube, and wearing layer 5 directly contacts with foreign matter, and carborundum has excellent wear resistance, can prolong the life of protection tube.
Referring to fig. 1, four isolation seats 6 are arranged on the inner wall of a tube of a base tube 1, the four isolation seats 6 are uniformly arranged along the circumferential direction of the inner wall of the tube of the base tube 1, two adjacent isolation seats 6 are not connected, a heat insulation layer 7 is filled between the four isolation seats 6, the heat insulation layer 7 is made of an EVA heat insulation material, a through hole 61 is arranged on each isolation seat 6 in a penetrating manner, and a cable 9 used for being matched with the isolation seat 6 is arranged in the through hole 61 in a penetrating manner; be provided with heat conduction strip 8 between buffer layer 4 and the separation seat 6, heat conduction strip 8 sets up with separation seat 6 one-to-one, heat conduction strip 8 chooses for use the silica gel material to make, heat conduction strip 8 includes stopper 81 and conducting block 82, stopper 81 wears to establish between waterproof layer 3 and separation seat 6, the stopper wears to establish at parent tube 1, corrosion-resistant layer 2, in waterproof layer 3 and the separation seat 6, the one end butt that isolation seat 6 was kept away from to stopper 81 is located one side of waterproof layer 3 at buffer layer 4, the one end that buffer layer 4 was kept away from to stopper 81 stretches into through-going hole 61, conducting block 82 fixed connection stretches into the one end of through-going hole 61 at stopper 81, conducting block 82 butt is on the periphery wall of cable 9.
The cables 9 penetrate through the penetrating holes 61, the isolating seats 6 separate the cables 9, the buffer layer 4 deforms when external pressure is applied, the limiting blocks 81 limit the buffer layer 4, and extrusion of the buffer layer 4 to an internal structure is reduced; the heat insulating layer 7 is filled between the isolation seats 6, the heat insulating layer 7 isolates heat generated by each cable 9, the heat accumulation in the tube is reduced, and the heat generated by the cables 9 is conducted to the buffer layer 4 through the limiting blocks 81 for heat dissipation.
The implementation principle of the corrosion-resistant cable protection pipe in the embodiment of the application is as follows: the cables 9 are arranged in the through holes 61 on the isolation seats 6 in a penetrating mode, so that the adjacent cables 9 are separated, and the heat insulation layer 7 is filled between the adjacent isolation seats 6, so that the situation that the cables 9 are damaged due to overhigh heat caused by heat accumulation in the pipes is reduced; wear to establish heat conduction strip 8 between buffer layer 4 and isolation seat 6, heat conduction strip 8 can go out the heat conduction on the cable 9 when carrying on spacingly to buffer layer 4, improves the heat dispersion of protection tube.
The buffer layer 4, the buffer tube 41 and the buffer block 411 are matched to buffer the external pressure step by step, the buffer tube 41 has a certain supporting effect on the buffer layer 4, and the buffer block 411 also has a certain supporting effect on the buffer tube 41, so that the bearing capacity of the protection tube on the external pressure is improved; set up corrosion-resistant layer 2 and waterproof layer 3 in the parent tube 1 outside, both cooperate, improve the corrosion resisting property of protection tube to utilize the wear resistance of wearing layer 5, prolong the life of protection tube.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A corrosion-resistant cable protection pipe is characterized in that: the anti-corrosion coating comprises a base pipe (1), wherein a corrosion-resistant layer (2) is arranged on the outer wall of the base pipe (1), the corrosion-resistant layer (2) is a layer obtained by preparing Liquid Crystal Polymer (LCP), a waterproof layer (3) is arranged on one side, deviating from the base pipe (1), of the corrosion-resistant layer (2), and the waterproof layer (3) is a layer obtained by preparing polyurethane.
2. The corrosion-resistant cable protection tube according to claim 1, wherein: and a buffer layer (4) is arranged on one side of the waterproof layer (3) departing from the corrosion-resistant layer (2).
3. The corrosion-resistant cable protection tube of claim 2, wherein: a buffer tube (41) is arranged in the buffer layer (4).
4. A corrosion-resistant cable protection tube according to claim 3, wherein: be provided with buffer block (411) in buffer tube (41), there is the clearance between the inside pipe wall of buffer block (411) and buffer tube (41).
5. The corrosion-resistant cable protection tube of claim 4, wherein: the inner wall of the tube of the base tube (1) is provided with a plurality of isolation seats (6), the isolation seats (6) are provided with through holes (61) in a penetrating mode, and cables (9) used for being matched with the isolation seats (6) are arranged in the through holes (61) in a penetrating mode.
6. The corrosion-resistant cable protection tube of claim 5, wherein: and heat insulation layers (7) are arranged among the isolation seats (6).
7. The corrosion-resistant cable protection tube of claim 6, wherein: and a heat conduction strip (8) is arranged between the buffer layer (4) and the isolation seat (6), and the heat conduction strip (8) extends into the through hole (61).
8. The corrosion-resistant cable protection tube of claim 2, wherein: one side of the buffer layer (4) departing from the waterproof layer (3) is provided with a wear-resistant layer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121409522.9U CN214798804U (en) | 2021-06-23 | 2021-06-23 | Corrosion-resistant cable protection pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121409522.9U CN214798804U (en) | 2021-06-23 | 2021-06-23 | Corrosion-resistant cable protection pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214798804U true CN214798804U (en) | 2021-11-19 |
Family
ID=78714451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121409522.9U Active CN214798804U (en) | 2021-06-23 | 2021-06-23 | Corrosion-resistant cable protection pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214798804U (en) |
-
2021
- 2021-06-23 CN CN202121409522.9U patent/CN214798804U/en active Active
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